to regions. and let's get going. together. ♪ atmix of energies.ve the world needs a broader that's why we're supplying natural gas to generate cleaner electricity... that has around 50% fewer co2 emissions than coal. and it's also why, with our partner in brazil, shell is producing ethanol - a biofuel made from renewable sugarcane. >>a minute, mom! let's broaden the world's energy mix. let's go. >>> all right. don't mind us. 25 minutes after the hour. minding your business this morning, u.s. stock futures are up. this is welcome news after the s&p 500 closed lower for the fifth straight day yesterday. that's right, it was all zpoom gloom, because of concerns about europe, particularly greece and spain as protesters hit the streets in athens and madrid, still going on there. not getting any better. christine romans is here to talk a little bit more about that. hey, good morning. >> good morning. those pictures were really frightening, weren't they? and a lot of people on wall street were watching those, because we're very concerned about what's happening in europe. and also here, concerned